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https://issues.apache.org/jira/browse/HDFS-7447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J.Andreina resolved HDFS-7447.
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Resolution: Not A Problem
> Number of maximum Acl entries on a File/Folder should be made user
> configurable than hardcoding .
> -------------------------------------------------------------------------------------------------
>
> Key: HDFS-7447
> URL: https://issues.apache.org/jira/browse/HDFS-7447
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: security
> Reporter: J.Andreina
>
> By default on creating a folder1 will have 6 acl entries . On top of that
> assigning acl on a folder1 exceeds 32 , then unable to assign acls for a
> group/user to folder1.
> {noformat}
> 2014-11-20 18:55:06,553 ERROR [qtp1279235236-17 - /rolexml/role/modrole]
> Error occured while setting permissions for Resource:[
> hdfs://hacluster/folder1 ] and Error message is : Invalid ACL: ACL has 33
> entries, which exceeds maximum of 32.
> at
> org.apache.hadoop.hdfs.server.namenode.AclTransformation.buildAndValidateAcl(AclTransformation.java:274)
> at
> org.apache.hadoop.hdfs.server.namenode.AclTransformation.mergeAclEntries(AclTransformation.java:181)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedModifyAclEntries(FSDirectory.java:2771)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.modifyAclEntries(FSDirectory.java:2757)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.modifyAclEntries(FSNamesystem.java:7734)
> {noformat}
> Here value 32 is hardcoded , which can be made user configurable.
> {noformat}
> private static List buildAndValidateAcl(ArrayList aclBuilder)
> throws AclException
> {
> if(aclBuilder.size() > 32)
> throw new AclException((new StringBuilder()).append("Invalid ACL:
> ACL has ").append(aclBuilder.size()).append(" entries, which exceeds maximum
> of ").append(32).append(".").toString());
> :
> :
> }
> {noformat}
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